阿摩線上測驗
登入
首頁
>
學士後西醫-有機化學
>
103年 - 103 學士後西醫:有機化學#27037
> 試題詳解
48. Predict the major product for the following reaction.
(A) I
(B) II
(C) III
(D) IV
(E) V
答案:
登入後查看
統計:
A(1), B(1), C(0), D(3), E(15) #937857
詳解 (共 1 筆)
大家加油! 邀請碼228480
B1 · 2025/12/01
#7179642
這是一個典型的 季銨化反應 (Quat...
(共 2906 字,隱藏中)
前往觀看
0
0
私人筆記 (共 1 筆)
白白
2024/10/18
私人筆記#6445857
未解鎖
(共 0 字,隱藏中)
前往觀看
1
0
其他試題
44. Which of the following compounds will not display a carbonyl carbon signal in the DEPT-90 and DEPT-13513C NMR spectroscopy? (A) only I (B) only II (C) only III (D) I and II (E) II and III
#937853
45. Give the major organic product for the reaction. (A) I (B) II (C) III (D) IV (E) V
#937854
46. Predict the major product for the following reaction sequence. (A) I (B) II (C) III (D) IV (E) V
#937855
47. Please choose the compound(s) that would undergo racemization in presence of a base? (A) I (B) II (C) III (D) IV (E) II & III
#937856
49. What is the major organic product of the following reaction? (A) 4-ethyl-2,3-dimethylpyridine (B) 5-ethyl-2,3-dimethylpyridine (C) 6-ethyl-2,3-dimethylpyridine (D) 2-methyl-3-propylpyridine (E) 3-methyl-2-propylpyridine
#937858
50. Draw a Fischer projection of the product when (R)-2-bromobutane is treated with the following sequence of reagents: 1. CN-, 2. H3O+ and 3. CH2N2. (A) I (B) II (C) III (D) IV (E) V
#937859
51. Which of the reagents listed below would work best in the following reaction? (A) NaBH4 (B) LiAlH4 (C) BH3 -THF (D) LiAl[(OC(CH3) 3] 3H (E) None of the above
#937860
52. Which reactions on the right below will provide the diol on the left as the major product? (A) I (B) III (C) IV (D) I and IV (E) II and III
#937861
53. Provide a structure for the expected product of the following reaction. (A) I (B) II (C) III (D) IV (E) None of the above
#937862
54. The 1 H NMR spectrum of a compound with formula C7 H14O shows two signals. Which one of the followings is a possible structure for this compound? (A) 2-heptanone (B) 2-methyl-3-heptanone (C) 3-methyl-2-heptanone (D) 2,2-dimethyl-3-pentanone (E) 2,4-dimethyl-3-pentanone
#937863